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Finding the Fourth Proportional to 302,930.70, 454,396.05 and 92,566.82

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Solution

The fourth proportional to 302,930.70, 454,396.05 and 92,566.82 is: 138,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,930.70 : 454,396.05 = 92,566.82 : x
  2. Step 2: Convert to fraction form
    302,930.70/454,396.05 = 92,566.82/x
  3. Step 3: Cross multiply
    302,930.70x = 454,396.05 × 92,566.82
  4. Step 4: Simplify right side
    302,930.70x = 42,061,995,097.08
  5. Step 5: Solve for x
    x = 42,061,995,097.08/302,930.70
  6. Step 6: Final answer
    x = 138,850.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.